2.0.0: slug-based quests, scenarios and offers; environment carried by the token; regenerated models

Claude-Session: https://claude.ai/code/session_01SMCvdwDmuxoaqGgvGBLk1V

Quests/Quest.cs

@@ -7,9 +7,6 @@ namespace RudderSdk.Core.Models.Quests;
 
 public class Quest
 {
-    [JsonProperty("id")]
-    public string? Id { get; set; }
-
     [JsonProperty("name")]
     public string? Name { get; set; }
 
@@ -19,6 +16,9 @@ public class Quest
     [JsonProperty("rewards")]
     public List<Reward>? Rewards { get; set; }
 
+    [JsonProperty("slug")]
+    public string? Slug { get; set; }
+
     [JsonProperty("status")]
     public string? Status { get; set; }